package kr.co.hanbit;
class Data{ int x;}
public class ParameterTest {
	public static void main(String[] args) {
		
		
	
	Data d= new Data();
	d.x=10;
	System.out.println("main(): x="+d.x);
	change(d.x);
	System.out.println("after change(d.x)");
	System.out.println("main():x = "+d.x);
		
	}
static void change( int x) {
	x = 1000;
	System.out.println("change():x="+x);
	


}
}
